/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/MeshNormals.h
Recompute the element Normals of the given attribute overlay using area-weighted averaging of one-ring triangle normals
void Compute_Overlay_FaceAvg_AreaWeighted ( const [FDynamicMeshNormalOverlay](API\Runtime\GeometryCore\DynamicMesh\FDynamicMeshNormalOverlay) * NormalOverlay )